package com.epam.stone.precioussecond;

import com.epam.stone.PreciousStone;

public class OpalBlack extends PreciousStone {
	public OpalBlack(){
		setWeight(0.4);
		setPrise(getWeight()*10000);
		setTransparency(0);
	}
	public String toString(){
		return ("Black opal");
	}
}
